hard start in cold weather

[jjm400ex]

now that the weather has turned colder my 06 450er is really hard to start. its just that first start of the day, it will start fine the rest of the day. the only mods are no airbox lid, modified stock exhaust, 160 mainjet.

[KrazyKeith]

Im havin the same problem. I was thinkin it was the valves but it still does it after adjusting them.

[Kev]

Happened to me today. Was about 40 degrees out.. Set it next to a fire for about 15/20 minutes and then it fired right up... No problems the rest of the day....

[rlplive]

Yup mine is doin the same thing as well.

[lumi]

Are you using the choke?


time to cahnge some jets than.





-lumi

[y3llow400ex]

my 06er did the same thing. my friends 05 kicker kicked right over and he enden up pulling mine to push start it. i think it was around 40 out too.

[4ABURN]

I'm in canada and a 45 pilot helps in the colder weather, and if the choke is not enough,then give the throttle a push or two. Not when it is cranking,but before. I have had to push the throttle 5 times and choke to start mine on a very cold day but it works. But becarefull not to flood it. OR you better get out the truck and a rope.

:D

[roundsy]

Originally posted by 4ABURN
I'm in canada and a 45 pilot helps in the colder weather, and if the choke is not enough,then give the throttle a push or two. Not when it is cranking,but before. I have had to push the throttle 5 times and choke to start mine on a very cold day but it works. But becarefull not to flood it. OR you better get out the truck and a rope.

:D

im in the same area as you and mines been fine so far but just incase i might pick up a 45 pilot, whats your jetting set up also?...thanks

[4ABURN]

My jetting is 160 main,CRF 06 needle 4th position, 45 pilot.But when it gets real cold,I put my lid back on.(It has two 1.5 inch holes and 14 3/8 holes down the side drilled in it.) This is just enough restrickion to make it not run lean in this cold weather.iF i do not put the lid on it starts harder,and i will get a lean bog. It also keeps the snow out of the airbox.:D MY 2 cents.:D

[jjm400ex]

what is stock pilot size on 06

[2fast06450r]

From what I can tell you, my last 400ex would not start because I had a White Bros Rev Box when it was cold. Ask your dealer, or look on ebay for a 05 or earlier rev box if they are different part numbers and you know the 05 starts correctly. This will save you a lot of hard work kicking your machine!

[roundsy]

Originally posted by jjm400ex
what is stock pilot size on 06

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